PLEASE HELP I WILL MARK BRANILIEST PLEASE HELPWhich explains why the sequence 81, 3. mn is arithmetic or geometric?
O A The sequence is arithmetic because it decreases by a factor of
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B. The sequence is geometric because it decreases by a factor of
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C. The sequence is arithmetic because it decreases by a factor of 3.
OD. The sequence is geometric because it decreases by a factor of 3.
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